<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Document</title>
    <style>
      h2,
      p {
        margin: 0;
      }
      .box {
        margin: 30px auto;
        width: 300px;
      }
      #user,
      #message {
        box-sizing: border-box;
        width: 300px;
        border: 1px solid #000;
        padding: 10px;
        height: 100px;
        resize: none;
        display: block;
      }
      #user {
        padding: 0 10px;
        height: 30px;
        margin-bottom: 10px;
      }
      #btn {
        display: block;
        margin: 10px auto;
        width: 60%;
        height: 40px;
      }
      #list {
        border-top: 1px solid #000;
        padding: 10px 0 0;
        margin: 0;
        list-style: none;
      }
      #list li {
        position: relative;
        font: 14px/30px "宋体";
        border-bottom: 1px solid #000;
        padding: 0 15px;
        overflow: hidden;
      }
      .clos {
        position: absolute;
        right: 5px;
        top: 10px;
      }
      .clos2 {
        position: absolute;
        right: 5px;
        top: 30px;
      }
      /* .replay{
    position:absolute;
    right: 5px;
    top: 35px;
} */
      .mask {
        width: 100vw;
        height: 100vh;
        background: black;
        opacity: 0.3;
        position: absolute;
        left: 0;
        top: 0;
        display: none;
      }
      .comfirm {
        width: 200px;
        height: 120px;
        background: white;
        text-align: center;
        position: absolute;
        left: 50%;
        top: 30%;
        border-radius: 5px;
        transform: translate(-50%, -50%);
        overflow: hidden;
        display: none;
      }
      .comfirm button {
        /* position: absolute; */
        /* right: 10px; */
        float: right;
        margin-top: 20px;
        margin-right: 10px;
      }
    </style>
  </head>
  <body>
    <div class="box">
      <input type="text" id="user" value="小明" />
      <textarea id="message">我就是传说中的无敌小明</textarea>
      <button id="btn">提交留言</button>
      <ul id="list">
        <li style="height: auto">
          <h2 class="user">小王说:</h2>
          <p>呼叫无敌小明</p>
          <p>回复的内容</p>
          <a href="javascript:;" class="clos">删除</a>
          <a href="javascript:;" class="clos2">回复</a>
        </li>
        <li style="height: auto">
          <h2 class="user">老师说:</h2>
          <p>小明滚出去</p>
          <p>回复的内容</p>
          <a href="javascript:;" class="clos">删除</a>
          <a href="javascript:;" class="clos2">回复</a>
        </li>
      </ul>
    </div>
    <script>
      var btnEle = document.querySelector("#btn");
      var inputName = document.querySelector("#user");
      var listEle = document.querySelector("#list");
      var inputMessage = document.querySelector("#message");

      //清空ul里的静态数据
      listEle.innerHTML = "";
      btnEle.onclick = function () {
        var inputNames = inputName.value;
        var inputMessages = inputMessage.value;
        var liEle = document.createElement("li");
        liEle.style.height = "auto";
        liEle.innerHTML = `<h2 class="user">${inputNames}</h2>
          <p>${inputMessages}</p>
          <a href="javascript:;" class="clos">删除</a>
          <a href="javascript:;" class="clos2">回复</a><p style = "display:none"><input /><button class="sure">确定</button ><button class="cancel">取消</button></p>`;

        var delBtn = liEle.querySelector(".clos");
        // console.log(delBtn);
        delBtn.onclick = function () {
          // console.log(this);
          this.parentNode.remove();
        };
        var replyBtn = liEle.querySelector(".clos2");
        replyBtn.onclick = function () {
          console.log("点击了回复");
          var replyPlace = this.nextElementSibling;
          replyPlace.style.display = "block";
          this.nextElementSibling.querySelector(".cancel").onclick =
            function () {
              this.parentNode.style.display = "none";
            };
          this.nextElementSibling.querySelector(".sure").onclick = function () {
            var inputReply = this.previousElementSibling.value;
            this.parentNode.style.display = "none";
            var pEle = document.createElement("p");
            pEle.innerHTML = inputReply;
            liEle.appendChild(pEle);
          };
        };

        listEle.appendChild(liEle);
      };
    </script>
  </body>
</html>
